PhotonEdge Optics
Standard + Custom

ZnSe Circular/Square Windows

Zinc selenide windows are the preferred material for high-power CO2 laser optical components. Uniform refractive index m...

Material: ZnSe λ Range: Visible, NIR, LWIR Type: Window Category: Optical Windows
ZnSe Circular/Square Windows

Key Specifications

| Material | ZnSe | | Wavelength Range | Visible, NIR, LWIR | | Coating Options | AR 10.6um, Uncoated | | Surface Quality | 40-20 (standard) / 20-10 (precision) | | Surface Flatness | λ/4 @ 632.8 nm | | Clear Aperture | > 90% |

About This Product

Zinc selenide windows are the preferred material for high-power CO2 laser optical components. Uniform refractive index makes them ideal for FLIR thermal imaging systems. Custom coating designs available.

Available Optical Materials

Select the optimal substrate material based on your wavelength, environment, and budget requirements.

MaterialTransmissionKey AdvantageConsiderations
ZnSe VIS / NIR / LWIR (600nm-20μm) High IR transmission, CO2 laser compatible Softer material, handle with care

Ask AI Optical Engineer for material recommendations.

Optical Coating Options

AR 10.6um

AR 10.6um coating optimized for your application requirements.

Uncoated

Uncoated coating optimized for your application requirements.

How to Specify Your Coating

To select the right coating, please provide: (1) Operating wavelength, (2) Angle of incidence, (3) Required transmission or reflectivity, (4) Laser power density (if applicable), (5) Operating environment.

Engineering Considerations

Key factors to evaluate when specifying this optical component for your system.

Wavelength

Ensure the material and coating are optimized for your operating wavelength range: Visible, NIR, LWIR.

Surface Quality

40-20 is suitable for most applications. For precision imaging or scattering-sensitive systems, specify 20-10 or better.

Environment

Consider temperature, humidity, and mechanical stress when selecting material and coating specifications.

Application

Your specific application may require additional specifications. Contact our engineering team for guidance.

Applications

Laser Systems

High-power laser systems for cutting, welding, marking and scientific research.

Industrial Systems

Rugged optics for industrial manufacturing and automation.

Research & Education

Versatile optics for research laboratories and educational institutions.

Manufacturing & Customization

PhotonEdge supports optical component sourcing, engineering review, and qualified manufacturing through our optical manufacturing network.

Prototype
Low Volume
Volume Production
Custom Specification

Quality Assurance

Dimensional Inspection

Diameter, thickness, and critical dimensions verified per specification

Surface Quality

Scratch-dig inspection under calibrated illumination

Coating Verification

Spectrophotometric measurement of transmission/reflectance

Inspection documentation available according to project requirements.

Related Knowledge

Frequently Asked Questions

What is ZnSe Circular/Square Windows used for?

Zinc selenide windows are the preferred material for high-power CO2 laser optical components. Uniform refractive index makes them ideal for FLIR thermal imaging systems. Custom coating designs availab...

What materials are available?

Standard options include ZnSe. Custom materials available upon request.

What coating options are available?

Available coatings include AR 10.6um, Uncoated. Custom coatings available upon request.

What is the lead time?

Standard catalog items ship within 1-2 weeks. Custom specifications typically require 3-4 weeks.

Can I request custom specifications?

Yes. We support custom diameter, thickness, wavelength, coating and tolerance requirements. Contact our engineering team for a quote.

Have an Optical Requirement?

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